Leonidas is a masculine given name mainly in Greece. People with the name include:

In military Leonidas M. Godley, American Civil War Union Army soldier; recipient of the Medal of Honor Leonidas Paraskevopoulos, Greek military officer and politician Leonidas Polk, Confederate general in the American Civil War Leonidas I. Robinson, American Coast Guard third lieutenant

In politics Leonidas Burwell, Canadian businessman and politician Leonidas Kouris, Greek politician Leonidas Kyrkos, Greek politician Leonidas Pantelides, Cypriot diplomat Leonidas Paraskevopoulos, Greek military officer and politician Leonidas L. Polk, American agrarian leader and North Carolina's first Commissioner of Agriculture Leonidas Shaver, American judge from the Utah Territory Leonidas Jefferson Storey, American politician from Texas Leonidas Varouxis, Greek journalist and a politician

In sport Football Leônidas (footballer, born 1913), Brazilian football player born 1913 Leônidas (footballer, born 1995), Brazilian football player born 1995 Leônidas Soares Damasceno, Brazilian football player Leonidas Ferreira de Paulo Junior, Brazilian football player Leonidas Kampantais, Greek footballer Leonidas Panagopoulos, Greek footballer Leonidas Vokolos, Greek footballer

Other sports Leonidas Bott, Australian cricketer Leonidas Langakis, Greek shooter Leonidas Pyrgos, Greek fencer Leonidas Sampanis, Greek weightlifter Leonidas Skoutaris, Greek basketball player Leonidas Tsiklitiras, Greek gymnast

In other fields Leonidas Kestekides, founder of the Belgian chocolate company Leonidas Alaoglu, American mathematician of Greek descent Leonidas Hamline, 19th-century American Methodist clergyman and lawyer, and founding benefactor of Hamline University Leonidas Kavakos, Greek violinist Leonidas Varouxis, Greek journalist and a politician Leonidas Vargas, Colombian drug lord Leonidas Veliaroutis, Greek writer

See also Leonidas (disambiguation)#People